<template>
    <div class="login_container">
        <div class="login_box">
            <!-- 头像区域 -->
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="">
            </div>
            <!-- 登录表单区域 -->
            <el-form  :model="loginForm" :rules="rules" ref="formRef" label-width="0px" class="login_form">
                <el-form-item prop="username">
                    <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
                </el-form-item>
                <el-form-item class="btns">
                    <el-button type="primary" @click="login">登录</el-button>
                    <el-button type="success" @click="resetForm">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
export default {
    data(){
        return {
            // 这是登录表单的数据绑定对象
            loginForm:{
                username: "admin",
                password: "123456"
            },
            // 表单的验证规则对象
            rules: {
                // 验证用户名
                username: [
                    { required: true, message: '请输入用户名称', trigger: 'blur' },
                    { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
                ],
                // 验证密码
                password: [
                     { required: true, message: '请输入用户密码', trigger: 'blur' },
                    { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
                ]
            }
        }
    },
    methods: {
        resetForm(){
            this.$refs.formRef.resetFields();
        },
        login(){
            this.$refs.formRef.validate(async val => {
                // console.log(val);
                if(!val) {
                    console.log("验证失败")
                    this.$message.error("验证失败")
                    return ;
                }else{
                    const {data: result} = await this.$http.post("login", this.loginForm);
                    // console.log(result)
                    if(result.meta.status !==200) {
                        this.$message.error("登录失败")
                        return console.log("登录失败")
                    }
                    this.$message.success("登录成功")
                    console.log("登录成功")
                    // 将token保留到sessionStorage中
                    console.log(result)
                    window.sessionStorage.setItem("token", result.data.token);
                    this.$router.push('/home');
                }
            })
        }
    }
}
</script>

<style scoped>
.login_container {
    background-color: #2b4b6b;
    height: 100%;
}
.login_box {
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    /* 将盒子置于中间 */
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);

    
}
.avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%,-50%);
    background-color: #fff;
}
.avatar_box img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #eee;
}
.btns {
    display: flex;
    justify-content: center;
}
.login_form {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}
</style>